str01 = '产品A01的序列号是01-5-498，B35序列号35-4-449-8-3568，产品C09的序列号是：09-48-401-32。'

import re
item01 = re.findall('\d+(?:-\d+)+', str01)
print(item01)
# 取出序列号第一组之外的组
# 尝试分组方式
for i in item01:
    # print(i)
    item02 = re.findall('-(\d+)', i)
    print(item02)